M8-R06: refresh Tibber prices after startup and configuration

tests/test_api_config.py

@@ -946,6 +946,55 @@ def test_get_config_tibber_api_token_value_masked_after_save(
     assert "some-tibber-token" not in resp_after.text
 
 
+def test_put_tibber_config_triggers_refresh_only_for_active_tibber_contract(
+    client: TestClient, test_database_urls
+) -> None:
+    """Saved Tibber credentials request a refresh only when their contract is active."""
+    _login(client)
+    conn = sqlite3.connect(test_database_urls["app_path"])
+    try:
+        conn.execute(
+            "INSERT INTO energy_contract (name, kind, scope, active, currency, created_at, updated_at) "
+            "VALUES (?, ?, ?, ?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)",
+            ("Tibber", "tibber", "electricity", True, "EUR"),
+        )
+        conn.commit()
+    finally:
+        conn.close()
+
+    with patch("app.api.routes.api.config.trigger_tibber_refresh") as trigger:
+        response = client.put(
+            "/api/config",
+            json={"updates": _full_config_payload({"TIBBER_API_TOKEN": "new-secret-token"})},
+            headers={"X-CSRF-Token": "token"},
+        )
+    assert response.status_code == 200
+    trigger.assert_called_once()
+
+    with patch("app.api.routes.api.config.trigger_tibber_refresh") as trigger:
+        response = client.put(
+            "/api/config",
+            json={"updates": _full_config_payload({"TIBBER_API_TOKEN": ""})},
+            headers={"X-CSRF-Token": "token"},
+        )
+    assert response.status_code == 200
+    trigger.assert_not_called()
+
+
+def test_put_tibber_config_does_not_refresh_without_active_tibber_contract(client: TestClient) -> None:
+    _login(client)
+
+    with patch("app.api.routes.api.config.trigger_tibber_refresh") as trigger:
+        response = client.put(
+            "/api/config",
+            json={"updates": _full_config_payload({"TIBBER_HOME_ID": "new-home-id"})},
+            headers={"X-CSRF-Token": "token"},
+        )
+
+    assert response.status_code == 200
+    trigger.assert_not_called()
+
+
 def test_post_mqtt_test_uses_db_broker_host(
     client: TestClient, test_database_urls
 ) -> None: